Element 47 (corresponding to layer 2) has a mesh thickness of 0.745 that is not consistent with the other elements (thickness=0.76356052). The mesh must have the same thickness for each layer.
研究使用了演繹探索性情景(Shell殼牌2008首創的對未來能源技術的假設理論)建立了4個場景,考慮全球對增材技術的合作態度,屬于高度競爭(Scramble)還是高度合作(blueprint)。另外考慮了AM增材對整個社會活動周期滲透度的程度,分為低滲透(low AM impact=20%)和高滲透(high AM impact=80%)。